./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2b90a2b3-574c-4674-9bd8-39a31edf9e80/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_2b90a2b3-574c-4674-9bd8-39a31edf9e80/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2b90a2b3-574c-4674-9bd8-39a31edf9e80/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2b90a2b3-574c-4674-9bd8-39a31edf9e80/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2b90a2b3-574c-4674-9bd8-39a31edf9e80/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2b90a2b3-574c-4674-9bd8-39a31edf9e80/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3ad9c9f0403f0ff15bc0d5f7c809182c1025bcda ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 21:59:43,924 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 21:59:43,940 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 21:59:44,030 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 21:59:44,031 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 21:59:44,037 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 21:59:44,040 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 21:59:44,045 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 21:59:44,049 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 21:59:44,057 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 21:59:44,058 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 21:59:44,061 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 21:59:44,062 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 21:59:44,068 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 21:59:44,070 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 21:59:44,074 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 21:59:44,077 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 21:59:44,083 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 21:59:44,088 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 21:59:44,095 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 21:59:44,102 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 21:59:44,104 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 21:59:44,107 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 21:59:44,109 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 21:59:44,115 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 21:59:44,115 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 21:59:44,116 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 21:59:44,117 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 21:59:44,118 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 21:59:44,119 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 21:59:44,119 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 21:59:44,120 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 21:59:44,125 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 21:59:44,127 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 21:59:44,128 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 21:59:44,129 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 21:59:44,130 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 21:59:44,130 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 21:59:44,131 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 21:59:44,132 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 21:59:44,133 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 21:59:44,134 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2b90a2b3-574c-4674-9bd8-39a31edf9e80/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 21:59:44,170 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 21:59:44,170 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 21:59:44,172 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 21:59:44,172 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 21:59:44,173 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 21:59:44,173 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 21:59:44,173 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 21:59:44,174 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 21:59:44,174 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 21:59:44,174 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 21:59:44,175 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 21:59:44,175 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 21:59:44,175 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 21:59:44,175 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 21:59:44,176 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 21:59:44,176 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 21:59:44,176 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 21:59:44,177 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 21:59:44,177 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 21:59:44,177 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 21:59:44,177 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 21:59:44,178 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 21:59:44,178 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 21:59:44,178 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 21:59:44,179 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 21:59:44,179 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 21:59:44,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 21:59:44,180 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 21:59:44,180 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 21:59:44,180 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_2b90a2b3-574c-4674-9bd8-39a31edf9e80/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2b90a2b3-574c-4674-9bd8-39a31edf9e80/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ad9c9f0403f0ff15bc0d5f7c809182c1025bcda [2020-11-29 21:59:44,569 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 21:59:44,611 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 21:59:44,616 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 21:59:44,618 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 21:59:44,621 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 21:59:44,623 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2b90a2b3-574c-4674-9bd8-39a31edf9e80/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c [2020-11-29 21:59:44,714 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2b90a2b3-574c-4674-9bd8-39a31edf9e80/bin/uautomizer/data/07ce5df14/27b4b164f3ae412b9ca096b3816085bf/FLAG1d54915f9 [2020-11-29 21:59:45,395 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 21:59:45,396 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2b90a2b3-574c-4674-9bd8-39a31edf9e80/sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c [2020-11-29 21:59:45,414 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2b90a2b3-574c-4674-9bd8-39a31edf9e80/bin/uautomizer/data/07ce5df14/27b4b164f3ae412b9ca096b3816085bf/FLAG1d54915f9 [2020-11-29 21:59:45,649 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2b90a2b3-574c-4674-9bd8-39a31edf9e80/bin/uautomizer/data/07ce5df14/27b4b164f3ae412b9ca096b3816085bf [2020-11-29 21:59:45,657 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 21:59:45,659 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 21:59:45,661 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 21:59:45,662 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 21:59:45,683 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 21:59:45,684 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:59:45" (1/1) ... [2020-11-29 21:59:45,687 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58eedcc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:59:45, skipping insertion in model container [2020-11-29 21:59:45,688 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:59:45" (1/1) ... [2020-11-29 21:59:45,704 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 21:59:45,797 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 21:59:46,220 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:59:46,229 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 21:59:46,315 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:59:46,352 INFO L208 MainTranslator]: Completed translation [2020-11-29 21:59:46,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:59:46 WrapperNode [2020-11-29 21:59:46,353 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 21:59:46,357 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 21:59:46,358 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 21:59:46,358 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 21:59:46,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:59:46" (1/1) ... [2020-11-29 21:59:46,387 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:59:46" (1/1) ... [2020-11-29 21:59:46,467 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 21:59:46,468 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 21:59:46,468 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 21:59:46,468 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 21:59:46,475 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:59:46" (1/1) ... [2020-11-29 21:59:46,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:59:46" (1/1) ... [2020-11-29 21:59:46,482 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:59:46" (1/1) ... [2020-11-29 21:59:46,482 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:59:46" (1/1) ... [2020-11-29 21:59:46,500 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:59:46" (1/1) ... [2020-11-29 21:59:46,509 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:59:46" (1/1) ... [2020-11-29 21:59:46,513 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:59:46" (1/1) ... [2020-11-29 21:59:46,520 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 21:59:46,521 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 21:59:46,521 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 21:59:46,522 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 21:59:46,523 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:59:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b90a2b3-574c-4674-9bd8-39a31edf9e80/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 21:59:46,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 21:59:46,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 21:59:46,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 21:59:46,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 21:59:47,865 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 21:59:47,866 INFO L298 CfgBuilder]: Removed 204 assume(true) statements. [2020-11-29 21:59:47,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:59:47 BoogieIcfgContainer [2020-11-29 21:59:47,871 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 21:59:47,874 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 21:59:47,878 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 21:59:47,883 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 21:59:47,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 09:59:45" (1/3) ... [2020-11-29 21:59:47,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18a9ce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 09:59:47, skipping insertion in model container [2020-11-29 21:59:47,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:59:46" (2/3) ... [2020-11-29 21:59:47,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18a9ce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 09:59:47, skipping insertion in model container [2020-11-29 21:59:47,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:59:47" (3/3) ... [2020-11-29 21:59:47,888 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product57.cil.c [2020-11-29 21:59:47,902 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 21:59:47,908 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-29 21:59:47,921 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-29 21:59:47,967 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 21:59:47,968 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 21:59:47,968 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 21:59:47,968 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 21:59:47,968 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 21:59:47,969 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 21:59:47,969 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 21:59:47,969 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 21:59:47,987 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states. [2020-11-29 21:59:47,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 21:59:47,992 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:59:47,992 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:59:47,993 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:59:47,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:59:47,997 INFO L82 PathProgramCache]: Analyzing trace with hash 1974105627, now seen corresponding path program 1 times [2020-11-29 21:59:48,006 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:59:48,007 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429324977] [2020-11-29 21:59:48,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:59:48,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:59:48,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:59:48,313 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429324977] [2020-11-29 21:59:48,314 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:59:48,314 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 21:59:48,315 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620148681] [2020-11-29 21:59:48,319 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 21:59:48,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:59:48,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 21:59:48,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 21:59:48,335 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 2 states. [2020-11-29 21:59:48,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:59:48,369 INFO L93 Difference]: Finished difference Result 279 states and 416 transitions. [2020-11-29 21:59:48,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 21:59:48,371 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-29 21:59:48,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:59:48,381 INFO L225 Difference]: With dead ends: 279 [2020-11-29 21:59:48,382 INFO L226 Difference]: Without dead ends: 137 [2020-11-29 21:59:48,385 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 21:59:48,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-11-29 21:59:48,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2020-11-29 21:59:48,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2020-11-29 21:59:48,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 198 transitions. [2020-11-29 21:59:48,438 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 198 transitions. Word has length 18 [2020-11-29 21:59:48,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:59:48,439 INFO L481 AbstractCegarLoop]: Abstraction has 137 states and 198 transitions. [2020-11-29 21:59:48,439 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 21:59:48,440 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 198 transitions. [2020-11-29 21:59:48,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-29 21:59:48,442 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:59:48,442 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:59:48,443 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 21:59:48,443 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:59:48,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:59:48,446 INFO L82 PathProgramCache]: Analyzing trace with hash 1063074874, now seen corresponding path program 1 times [2020-11-29 21:59:48,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:59:48,447 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646877667] [2020-11-29 21:59:48,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:59:48,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:59:48,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:59:48,606 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646877667] [2020-11-29 21:59:48,606 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:59:48,606 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 21:59:48,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639920533] [2020-11-29 21:59:48,607 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 21:59:48,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:59:48,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:59:48,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:59:48,609 INFO L87 Difference]: Start difference. First operand 137 states and 198 transitions. Second operand 3 states. [2020-11-29 21:59:48,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:59:48,628 INFO L93 Difference]: Finished difference Result 137 states and 198 transitions. [2020-11-29 21:59:48,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:59:48,629 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-11-29 21:59:48,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:59:48,630 INFO L225 Difference]: With dead ends: 137 [2020-11-29 21:59:48,631 INFO L226 Difference]: Without dead ends: 55 [2020-11-29 21:59:48,632 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:59:48,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-11-29 21:59:48,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-11-29 21:59:48,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-11-29 21:59:48,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2020-11-29 21:59:48,639 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 19 [2020-11-29 21:59:48,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:59:48,640 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2020-11-29 21:59:48,640 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 21:59:48,640 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2020-11-29 21:59:48,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 21:59:48,642 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:59:48,642 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:59:48,642 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 21:59:48,642 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:59:48,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:59:48,643 INFO L82 PathProgramCache]: Analyzing trace with hash -1573067069, now seen corresponding path program 1 times [2020-11-29 21:59:48,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:59:48,644 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129273712] [2020-11-29 21:59:48,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:59:48,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:59:48,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:59:48,805 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129273712] [2020-11-29 21:59:48,805 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:59:48,806 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 21:59:48,806 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639967343] [2020-11-29 21:59:48,806 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-29 21:59:48,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:59:48,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-29 21:59:48,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-29 21:59:48,808 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 6 states. [2020-11-29 21:59:49,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:59:49,043 INFO L93 Difference]: Finished difference Result 104 states and 152 transitions. [2020-11-29 21:59:49,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 21:59:49,046 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-11-29 21:59:49,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:59:49,047 INFO L225 Difference]: With dead ends: 104 [2020-11-29 21:59:49,047 INFO L226 Difference]: Without dead ends: 55 [2020-11-29 21:59:49,048 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-29 21:59:49,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-11-29 21:59:49,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-11-29 21:59:49,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-11-29 21:59:49,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 78 transitions. [2020-11-29 21:59:49,056 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 78 transitions. Word has length 24 [2020-11-29 21:59:49,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:59:49,056 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 78 transitions. [2020-11-29 21:59:49,056 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-29 21:59:49,056 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2020-11-29 21:59:49,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 21:59:49,058 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:59:49,058 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:59:49,058 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 21:59:49,062 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:59:49,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:59:49,062 INFO L82 PathProgramCache]: Analyzing trace with hash -630835270, now seen corresponding path program 1 times [2020-11-29 21:59:49,063 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:59:49,063 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660071552] [2020-11-29 21:59:49,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:59:49,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:59:49,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:59:49,138 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660071552] [2020-11-29 21:59:49,139 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:59:49,139 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 21:59:49,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945829422] [2020-11-29 21:59:49,139 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 21:59:49,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:59:49,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:59:49,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:59:49,141 INFO L87 Difference]: Start difference. First operand 55 states and 78 transitions. Second operand 3 states. [2020-11-29 21:59:49,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:59:49,200 INFO L93 Difference]: Finished difference Result 127 states and 183 transitions. [2020-11-29 21:59:49,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:59:49,200 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-11-29 21:59:49,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:59:49,202 INFO L225 Difference]: With dead ends: 127 [2020-11-29 21:59:49,203 INFO L226 Difference]: Without dead ends: 78 [2020-11-29 21:59:49,203 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:59:49,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-11-29 21:59:49,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 76. [2020-11-29 21:59:49,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-11-29 21:59:49,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 107 transitions. [2020-11-29 21:59:49,213 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 107 transitions. Word has length 26 [2020-11-29 21:59:49,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:59:49,213 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 107 transitions. [2020-11-29 21:59:49,213 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 21:59:49,213 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 107 transitions. [2020-11-29 21:59:49,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-29 21:59:49,214 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:59:49,214 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:59:49,215 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 21:59:49,215 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:59:49,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:59:49,216 INFO L82 PathProgramCache]: Analyzing trace with hash -1446451218, now seen corresponding path program 1 times [2020-11-29 21:59:49,216 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:59:49,216 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293899088] [2020-11-29 21:59:49,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:59:49,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:59:49,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:59:49,324 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293899088] [2020-11-29 21:59:49,324 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:59:49,324 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 21:59:49,325 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654217360] [2020-11-29 21:59:49,325 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 21:59:49,325 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:59:49,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 21:59:49,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 21:59:49,326 INFO L87 Difference]: Start difference. First operand 76 states and 107 transitions. Second operand 5 states. [2020-11-29 21:59:49,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:59:49,501 INFO L93 Difference]: Finished difference Result 381 states and 553 transitions. [2020-11-29 21:59:49,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-29 21:59:49,503 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-11-29 21:59:49,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:59:49,507 INFO L225 Difference]: With dead ends: 381 [2020-11-29 21:59:49,507 INFO L226 Difference]: Without dead ends: 311 [2020-11-29 21:59:49,508 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-29 21:59:49,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2020-11-29 21:59:49,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 123. [2020-11-29 21:59:49,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-11-29 21:59:49,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 170 transitions. [2020-11-29 21:59:49,539 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 170 transitions. Word has length 32 [2020-11-29 21:59:49,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:59:49,539 INFO L481 AbstractCegarLoop]: Abstraction has 123 states and 170 transitions. [2020-11-29 21:59:49,539 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 21:59:49,540 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 170 transitions. [2020-11-29 21:59:49,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 21:59:49,541 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:59:49,541 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:59:49,542 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 21:59:49,542 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:59:49,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:59:49,543 INFO L82 PathProgramCache]: Analyzing trace with hash 1777469548, now seen corresponding path program 1 times [2020-11-29 21:59:49,543 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:59:49,543 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942986472] [2020-11-29 21:59:49,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:59:49,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:59:49,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:59:49,598 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942986472] [2020-11-29 21:59:49,598 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:59:49,598 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 21:59:49,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019961867] [2020-11-29 21:59:49,599 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 21:59:49,599 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:59:49,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 21:59:49,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 21:59:49,600 INFO L87 Difference]: Start difference. First operand 123 states and 170 transitions. Second operand 4 states. [2020-11-29 21:59:49,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:59:49,744 INFO L93 Difference]: Finished difference Result 254 states and 358 transitions. [2020-11-29 21:59:49,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 21:59:49,745 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-11-29 21:59:49,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:59:49,746 INFO L225 Difference]: With dead ends: 254 [2020-11-29 21:59:49,747 INFO L226 Difference]: Without dead ends: 184 [2020-11-29 21:59:49,747 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 21:59:49,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2020-11-29 21:59:49,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 181. [2020-11-29 21:59:49,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2020-11-29 21:59:49,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 251 transitions. [2020-11-29 21:59:49,795 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 251 transitions. Word has length 33 [2020-11-29 21:59:49,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:59:49,797 INFO L481 AbstractCegarLoop]: Abstraction has 181 states and 251 transitions. [2020-11-29 21:59:49,798 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 21:59:49,798 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 251 transitions. [2020-11-29 21:59:49,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 21:59:49,799 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:59:49,799 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:59:49,800 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-29 21:59:49,800 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:59:49,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:59:49,801 INFO L82 PathProgramCache]: Analyzing trace with hash 766352298, now seen corresponding path program 1 times [2020-11-29 21:59:49,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:59:49,801 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368830372] [2020-11-29 21:59:49,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:59:49,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:59:49,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:59:49,896 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368830372] [2020-11-29 21:59:49,897 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:59:49,897 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 21:59:49,897 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132723055] [2020-11-29 21:59:49,898 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 21:59:49,898 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:59:49,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 21:59:49,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 21:59:49,899 INFO L87 Difference]: Start difference. First operand 181 states and 251 transitions. Second operand 4 states. [2020-11-29 21:59:49,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:59:49,989 INFO L93 Difference]: Finished difference Result 505 states and 712 transitions. [2020-11-29 21:59:49,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 21:59:49,990 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-11-29 21:59:49,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:59:49,994 INFO L225 Difference]: With dead ends: 505 [2020-11-29 21:59:49,994 INFO L226 Difference]: Without dead ends: 376 [2020-11-29 21:59:49,995 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-29 21:59:49,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2020-11-29 21:59:50,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 181. [2020-11-29 21:59:50,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2020-11-29 21:59:50,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 249 transitions. [2020-11-29 21:59:50,022 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 249 transitions. Word has length 33 [2020-11-29 21:59:50,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:59:50,022 INFO L481 AbstractCegarLoop]: Abstraction has 181 states and 249 transitions. [2020-11-29 21:59:50,023 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 21:59:50,023 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 249 transitions. [2020-11-29 21:59:50,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 21:59:50,024 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:59:50,025 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:59:50,025 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-29 21:59:50,025 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:59:50,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:59:50,026 INFO L82 PathProgramCache]: Analyzing trace with hash 1024517736, now seen corresponding path program 1 times [2020-11-29 21:59:50,026 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:59:50,026 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370522353] [2020-11-29 21:59:50,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:59:50,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:59:50,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:59:50,111 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370522353] [2020-11-29 21:59:50,111 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:59:50,111 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-29 21:59:50,111 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552272331] [2020-11-29 21:59:50,112 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-29 21:59:50,112 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:59:50,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-29 21:59:50,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-29 21:59:50,113 INFO L87 Difference]: Start difference. First operand 181 states and 249 transitions. Second operand 7 states. [2020-11-29 21:59:50,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:59:50,300 INFO L93 Difference]: Finished difference Result 634 states and 889 transitions. [2020-11-29 21:59:50,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-29 21:59:50,301 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2020-11-29 21:59:50,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:59:50,304 INFO L225 Difference]: With dead ends: 634 [2020-11-29 21:59:50,304 INFO L226 Difference]: Without dead ends: 459 [2020-11-29 21:59:50,307 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-11-29 21:59:50,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2020-11-29 21:59:50,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 190. [2020-11-29 21:59:50,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2020-11-29 21:59:50,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 256 transitions. [2020-11-29 21:59:50,334 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 256 transitions. Word has length 33 [2020-11-29 21:59:50,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:59:50,334 INFO L481 AbstractCegarLoop]: Abstraction has 190 states and 256 transitions. [2020-11-29 21:59:50,334 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-29 21:59:50,335 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 256 transitions. [2020-11-29 21:59:50,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-29 21:59:50,338 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:59:50,338 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:59:50,338 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 21:59:50,338 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:59:50,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:59:50,339 INFO L82 PathProgramCache]: Analyzing trace with hash 416532263, now seen corresponding path program 1 times [2020-11-29 21:59:50,339 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:59:50,340 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175188960] [2020-11-29 21:59:50,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:59:50,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:59:50,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:59:50,449 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175188960] [2020-11-29 21:59:50,449 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:59:50,449 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 21:59:50,450 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568704799] [2020-11-29 21:59:50,450 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-29 21:59:50,450 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:59:50,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-29 21:59:50,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-29 21:59:50,451 INFO L87 Difference]: Start difference. First operand 190 states and 256 transitions. Second operand 6 states. [2020-11-29 21:59:50,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:59:50,776 INFO L93 Difference]: Finished difference Result 1391 states and 1856 transitions. [2020-11-29 21:59:50,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-11-29 21:59:50,777 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2020-11-29 21:59:50,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:59:50,784 INFO L225 Difference]: With dead ends: 1391 [2020-11-29 21:59:50,785 INFO L226 Difference]: Without dead ends: 1207 [2020-11-29 21:59:50,786 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2020-11-29 21:59:50,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1207 states. [2020-11-29 21:59:50,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1207 to 360. [2020-11-29 21:59:50,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2020-11-29 21:59:50,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 478 transitions. [2020-11-29 21:59:50,843 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 478 transitions. Word has length 36 [2020-11-29 21:59:50,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:59:50,845 INFO L481 AbstractCegarLoop]: Abstraction has 360 states and 478 transitions. [2020-11-29 21:59:50,845 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-29 21:59:50,845 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 478 transitions. [2020-11-29 21:59:50,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-29 21:59:50,846 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:59:50,846 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:59:50,847 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-29 21:59:50,847 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:59:50,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:59:50,847 INFO L82 PathProgramCache]: Analyzing trace with hash 1096590633, now seen corresponding path program 1 times [2020-11-29 21:59:50,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:59:50,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622894456] [2020-11-29 21:59:50,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:59:50,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:59:50,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:59:50,917 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622894456] [2020-11-29 21:59:50,917 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:59:50,917 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-29 21:59:50,918 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659097907] [2020-11-29 21:59:50,918 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-29 21:59:50,918 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:59:50,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-29 21:59:50,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-29 21:59:50,920 INFO L87 Difference]: Start difference. First operand 360 states and 478 transitions. Second operand 7 states. [2020-11-29 21:59:51,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:59:51,294 INFO L93 Difference]: Finished difference Result 1050 states and 1414 transitions. [2020-11-29 21:59:51,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-29 21:59:51,300 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 36 [2020-11-29 21:59:51,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:59:51,305 INFO L225 Difference]: With dead ends: 1050 [2020-11-29 21:59:51,305 INFO L226 Difference]: Without dead ends: 696 [2020-11-29 21:59:51,306 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2020-11-29 21:59:51,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2020-11-29 21:59:51,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 306. [2020-11-29 21:59:51,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2020-11-29 21:59:51,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 395 transitions. [2020-11-29 21:59:51,344 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 395 transitions. Word has length 36 [2020-11-29 21:59:51,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:59:51,345 INFO L481 AbstractCegarLoop]: Abstraction has 306 states and 395 transitions. [2020-11-29 21:59:51,345 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-29 21:59:51,345 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 395 transitions. [2020-11-29 21:59:51,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-29 21:59:51,346 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:59:51,346 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:59:51,346 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-29 21:59:51,347 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:59:51,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:59:51,347 INFO L82 PathProgramCache]: Analyzing trace with hash 361452525, now seen corresponding path program 1 times [2020-11-29 21:59:51,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:59:51,348 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587687505] [2020-11-29 21:59:51,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:59:51,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:59:51,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:59:51,423 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587687505] [2020-11-29 21:59:51,423 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:59:51,423 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 21:59:51,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484622300] [2020-11-29 21:59:51,423 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 21:59:51,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:59:51,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 21:59:51,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 21:59:51,424 INFO L87 Difference]: Start difference. First operand 306 states and 395 transitions. Second operand 5 states. [2020-11-29 21:59:51,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:59:51,649 INFO L93 Difference]: Finished difference Result 745 states and 956 transitions. [2020-11-29 21:59:51,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-29 21:59:51,650 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2020-11-29 21:59:51,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:59:51,653 INFO L225 Difference]: With dead ends: 745 [2020-11-29 21:59:51,653 INFO L226 Difference]: Without dead ends: 445 [2020-11-29 21:59:51,654 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-29 21:59:51,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2020-11-29 21:59:51,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 286. [2020-11-29 21:59:51,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2020-11-29 21:59:51,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 358 transitions. [2020-11-29 21:59:51,688 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 358 transitions. Word has length 37 [2020-11-29 21:59:51,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:59:51,689 INFO L481 AbstractCegarLoop]: Abstraction has 286 states and 358 transitions. [2020-11-29 21:59:51,689 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 21:59:51,689 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 358 transitions. [2020-11-29 21:59:51,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-29 21:59:51,691 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:59:51,691 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:59:51,691 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-29 21:59:51,692 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:59:51,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:59:51,692 INFO L82 PathProgramCache]: Analyzing trace with hash 1002384948, now seen corresponding path program 1 times [2020-11-29 21:59:51,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:59:51,693 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214620218] [2020-11-29 21:59:51,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:59:51,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:59:51,780 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 21:59:51,780 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214620218] [2020-11-29 21:59:51,781 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:59:51,781 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 21:59:51,781 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755647915] [2020-11-29 21:59:51,781 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 21:59:51,781 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:59:51,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 21:59:51,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 21:59:51,782 INFO L87 Difference]: Start difference. First operand 286 states and 358 transitions. Second operand 5 states. [2020-11-29 21:59:51,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:59:51,889 INFO L93 Difference]: Finished difference Result 661 states and 831 transitions. [2020-11-29 21:59:51,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 21:59:51,890 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 55 [2020-11-29 21:59:51,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:59:51,893 INFO L225 Difference]: With dead ends: 661 [2020-11-29 21:59:51,894 INFO L226 Difference]: Without dead ends: 381 [2020-11-29 21:59:51,895 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-29 21:59:51,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2020-11-29 21:59:51,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 286. [2020-11-29 21:59:51,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2020-11-29 21:59:51,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 354 transitions. [2020-11-29 21:59:51,930 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 354 transitions. Word has length 55 [2020-11-29 21:59:51,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:59:51,931 INFO L481 AbstractCegarLoop]: Abstraction has 286 states and 354 transitions. [2020-11-29 21:59:51,931 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 21:59:51,932 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 354 transitions. [2020-11-29 21:59:51,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-29 21:59:51,933 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:59:51,933 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:59:51,934 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-29 21:59:51,934 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:59:51,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:59:51,934 INFO L82 PathProgramCache]: Analyzing trace with hash 158379446, now seen corresponding path program 1 times [2020-11-29 21:59:51,935 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:59:51,935 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658099632] [2020-11-29 21:59:51,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:59:51,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:59:52,030 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 21:59:52,031 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658099632] [2020-11-29 21:59:52,031 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:59:52,031 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 21:59:52,031 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276384255] [2020-11-29 21:59:52,032 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 21:59:52,032 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:59:52,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 21:59:52,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 21:59:52,033 INFO L87 Difference]: Start difference. First operand 286 states and 354 transitions. Second operand 4 states. [2020-11-29 21:59:52,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:59:52,094 INFO L93 Difference]: Finished difference Result 608 states and 763 transitions. [2020-11-29 21:59:52,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 21:59:52,096 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 55 [2020-11-29 21:59:52,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:59:52,099 INFO L225 Difference]: With dead ends: 608 [2020-11-29 21:59:52,100 INFO L226 Difference]: Without dead ends: 328 [2020-11-29 21:59:52,101 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-29 21:59:52,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2020-11-29 21:59:52,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 244. [2020-11-29 21:59:52,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-11-29 21:59:52,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 303 transitions. [2020-11-29 21:59:52,135 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 303 transitions. Word has length 55 [2020-11-29 21:59:52,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:59:52,136 INFO L481 AbstractCegarLoop]: Abstraction has 244 states and 303 transitions. [2020-11-29 21:59:52,136 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 21:59:52,139 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 303 transitions. [2020-11-29 21:59:52,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-29 21:59:52,140 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:59:52,140 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:59:52,140 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-29 21:59:52,142 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:59:52,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:59:52,142 INFO L82 PathProgramCache]: Analyzing trace with hash -1927838086, now seen corresponding path program 1 times [2020-11-29 21:59:52,143 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:59:52,148 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804755075] [2020-11-29 21:59:52,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:59:52,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:59:52,238 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:59:52,238 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804755075] [2020-11-29 21:59:52,239 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:59:52,239 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 21:59:52,239 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000021834] [2020-11-29 21:59:52,239 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 21:59:52,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:59:52,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 21:59:52,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 21:59:52,241 INFO L87 Difference]: Start difference. First operand 244 states and 303 transitions. Second operand 5 states. [2020-11-29 21:59:52,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:59:52,395 INFO L93 Difference]: Finished difference Result 622 states and 772 transitions. [2020-11-29 21:59:52,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-29 21:59:52,396 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2020-11-29 21:59:52,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:59:52,399 INFO L225 Difference]: With dead ends: 622 [2020-11-29 21:59:52,399 INFO L226 Difference]: Without dead ends: 384 [2020-11-29 21:59:52,401 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-29 21:59:52,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2020-11-29 21:59:52,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 244. [2020-11-29 21:59:52,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-11-29 21:59:52,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 299 transitions. [2020-11-29 21:59:52,445 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 299 transitions. Word has length 56 [2020-11-29 21:59:52,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:59:52,446 INFO L481 AbstractCegarLoop]: Abstraction has 244 states and 299 transitions. [2020-11-29 21:59:52,446 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 21:59:52,446 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 299 transitions. [2020-11-29 21:59:52,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-29 21:59:52,447 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:59:52,447 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:59:52,448 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-29 21:59:52,448 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:59:52,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:59:52,449 INFO L82 PathProgramCache]: Analyzing trace with hash 1733862597, now seen corresponding path program 1 times [2020-11-29 21:59:52,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:59:52,449 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807844534] [2020-11-29 21:59:52,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:59:52,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:59:52,528 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 21:59:52,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807844534] [2020-11-29 21:59:52,528 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:59:52,528 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 21:59:52,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902063823] [2020-11-29 21:59:52,529 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 21:59:52,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:59:52,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 21:59:52,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 21:59:52,530 INFO L87 Difference]: Start difference. First operand 244 states and 299 transitions. Second operand 5 states. [2020-11-29 21:59:52,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:59:52,629 INFO L93 Difference]: Finished difference Result 514 states and 643 transitions. [2020-11-29 21:59:52,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 21:59:52,630 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2020-11-29 21:59:52,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:59:52,633 INFO L225 Difference]: With dead ends: 514 [2020-11-29 21:59:52,633 INFO L226 Difference]: Without dead ends: 326 [2020-11-29 21:59:52,634 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-29 21:59:52,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2020-11-29 21:59:52,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 250. [2020-11-29 21:59:52,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2020-11-29 21:59:52,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 305 transitions. [2020-11-29 21:59:52,670 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 305 transitions. Word has length 58 [2020-11-29 21:59:52,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:59:52,670 INFO L481 AbstractCegarLoop]: Abstraction has 250 states and 305 transitions. [2020-11-29 21:59:52,670 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 21:59:52,670 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 305 transitions. [2020-11-29 21:59:52,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-29 21:59:52,671 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:59:52,672 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:59:52,672 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-11-29 21:59:52,672 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:59:52,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:59:52,673 INFO L82 PathProgramCache]: Analyzing trace with hash 1992028035, now seen corresponding path program 1 times [2020-11-29 21:59:52,673 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:59:52,673 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062330105] [2020-11-29 21:59:52,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:59:52,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:59:52,819 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-29 21:59:52,819 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062330105] [2020-11-29 21:59:52,820 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1932148726] [2020-11-29 21:59:52,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b90a2b3-574c-4674-9bd8-39a31edf9e80/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 21:59:53,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:59:53,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-29 21:59:53,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:59:53,167 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-29 21:59:53,168 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 21:59:53,168 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2020-11-29 21:59:53,169 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145074235] [2020-11-29 21:59:53,169 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-29 21:59:53,169 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:59:53,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-29 21:59:53,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-29 21:59:53,170 INFO L87 Difference]: Start difference. First operand 250 states and 305 transitions. Second operand 7 states. [2020-11-29 21:59:53,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:59:53,697 INFO L93 Difference]: Finished difference Result 863 states and 1076 transitions. [2020-11-29 21:59:53,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-29 21:59:53,698 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2020-11-29 21:59:53,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:59:53,699 INFO L225 Difference]: With dead ends: 863 [2020-11-29 21:59:53,699 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 21:59:53,701 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2020-11-29 21:59:53,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 21:59:53,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 21:59:53,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 21:59:53,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 21:59:53,702 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2020-11-29 21:59:53,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:59:53,702 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 21:59:53,702 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-29 21:59:53,702 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 21:59:53,702 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 21:59:53,921 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2020-11-29 21:59:53,924 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 21:59:54,244 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 88 [2020-11-29 21:59:55,183 WARN L193 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 288 [2020-11-29 21:59:55,387 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 163 [2020-11-29 21:59:55,575 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 123 [2020-11-29 21:59:55,995 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 224 [2020-11-29 21:59:56,349 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 136 [2020-11-29 21:59:56,817 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 205 [2020-11-29 21:59:57,240 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 235 [2020-11-29 21:59:57,742 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 32 [2020-11-29 22:00:00,609 WARN L193 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 278 DAG size of output: 57 [2020-11-29 22:00:01,588 WARN L193 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 74 [2020-11-29 22:00:02,073 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 46 [2020-11-29 22:00:03,567 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 212 DAG size of output: 77 [2020-11-29 22:00:03,831 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 29 [2020-11-29 22:00:04,191 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 55 [2020-11-29 22:00:05,025 WARN L193 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 63 [2020-11-29 22:00:05,301 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 42 [2020-11-29 22:00:05,570 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 29 [2020-11-29 22:00:07,048 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 191 DAG size of output: 67 [2020-11-29 22:00:07,277 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 40 [2020-11-29 22:00:08,500 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 229 DAG size of output: 37 [2020-11-29 22:00:08,503 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 22:00:08,504 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-11-29 22:00:08,504 INFO L274 CegarLoopResult]: For program point L597-1(line 597) no Hoare annotation was computed. [2020-11-29 22:00:08,504 INFO L274 CegarLoopResult]: For program point L597-2(line 597) no Hoare annotation was computed. [2020-11-29 22:00:08,504 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-29 22:00:08,504 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-29 22:00:08,504 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-29 22:00:08,504 INFO L274 CegarLoopResult]: For program point L862(lines 862 873) no Hoare annotation was computed. [2020-11-29 22:00:08,504 INFO L274 CegarLoopResult]: For program point L499(lines 499 505) no Hoare annotation was computed. [2020-11-29 22:00:08,504 INFO L274 CegarLoopResult]: For program point L499-1(lines 499 505) no Hoare annotation was computed. [2020-11-29 22:00:08,504 INFO L274 CegarLoopResult]: For program point L499-2(lines 499 505) no Hoare annotation was computed. [2020-11-29 22:00:08,504 INFO L274 CegarLoopResult]: For program point L499-3(lines 499 505) no Hoare annotation was computed. [2020-11-29 22:00:08,505 INFO L274 CegarLoopResult]: For program point L499-4(lines 499 505) no Hoare annotation was computed. [2020-11-29 22:00:08,505 INFO L274 CegarLoopResult]: For program point L499-5(lines 499 505) no Hoare annotation was computed. [2020-11-29 22:00:08,505 INFO L270 CegarLoopResult]: At program point L797(lines 782 800) the Hoare annotation is: false [2020-11-29 22:00:08,505 INFO L270 CegarLoopResult]: At program point L797-1(lines 782 800) the Hoare annotation is: (let ((.cse13 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (.cse15 (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (let ((.cse4 (= ~methaneLevelCritical~0 0)) (.cse12 (<= ~waterLevel~0 1)) (.cse14 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 1)) (.cse16 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse1 (not .cse15)) (.cse17 (= ~methaneLevelCritical~0 1)) (.cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse3 (= 1 ~systemActive~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0)) (.cse8 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse9 (<= ~waterLevel~0 2)) (.cse11 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse10 (not .cse13))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) (and .cse12 .cse0 .cse13 .cse3 .cse4 .cse14 .cse15 .cse6 .cse8 .cse16 .cse11) (and .cse12 .cse0 .cse17 .cse13 .cse3 .cse14 .cse15 .cse6 .cse8 .cse16 .cse11) (and .cse0 .cse1 .cse17 .cse2 .cse3 .cse5 .cse6 .cse7 .cse8 .cse9 .cse11 .cse10)))) [2020-11-29 22:00:08,505 INFO L270 CegarLoopResult]: At program point L797-2(lines 782 800) the Hoare annotation is: false [2020-11-29 22:00:08,505 INFO L270 CegarLoopResult]: At program point L797-3(lines 782 800) the Hoare annotation is: false [2020-11-29 22:00:08,505 INFO L270 CegarLoopResult]: At program point L797-4(lines 782 800) the Hoare annotation is: false [2020-11-29 22:00:08,505 INFO L270 CegarLoopResult]: At program point L797-5(lines 782 800) the Hoare annotation is: false [2020-11-29 22:00:08,505 INFO L274 CegarLoopResult]: For program point L434(lines 434 438) no Hoare annotation was computed. [2020-11-29 22:00:08,506 INFO L270 CegarLoopResult]: At program point L898-2(lines 898 912) the Hoare annotation is: false [2020-11-29 22:00:08,506 INFO L270 CegarLoopResult]: At program point L733(lines 726 736) the Hoare annotation is: false [2020-11-29 22:00:08,506 INFO L270 CegarLoopResult]: At program point L733-1(lines 726 736) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse1 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse8 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse9 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 0))) (.cse10 (<= ~waterLevel~0 2)) (.cse11 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse3 .cse4 .cse5 .cse6 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse7 .cse8 .cse9 (= ~methaneLevelCritical~0 0) .cse10 .cse11))) [2020-11-29 22:00:08,506 INFO L270 CegarLoopResult]: At program point L733-2(lines 726 736) the Hoare annotation is: false [2020-11-29 22:00:08,506 INFO L270 CegarLoopResult]: At program point L733-3(lines 726 736) the Hoare annotation is: false [2020-11-29 22:00:08,506 INFO L270 CegarLoopResult]: At program point L733-4(lines 726 736) the Hoare annotation is: false [2020-11-29 22:00:08,506 INFO L274 CegarLoopResult]: For program point L568(lines 568 588) no Hoare annotation was computed. [2020-11-29 22:00:08,506 INFO L270 CegarLoopResult]: At program point L733-5(lines 726 736) the Hoare annotation is: false [2020-11-29 22:00:08,506 INFO L274 CegarLoopResult]: For program point L568-2(lines 568 588) no Hoare annotation was computed. [2020-11-29 22:00:08,506 INFO L274 CegarLoopResult]: For program point L568-4(lines 568 588) no Hoare annotation was computed. [2020-11-29 22:00:08,506 INFO L274 CegarLoopResult]: For program point L899(line 899) no Hoare annotation was computed. [2020-11-29 22:00:08,507 INFO L274 CegarLoopResult]: For program point L833(lines 832 877) no Hoare annotation was computed. [2020-11-29 22:00:08,507 INFO L274 CegarLoopResult]: For program point L834(lines 834 838) no Hoare annotation was computed. [2020-11-29 22:00:08,507 INFO L270 CegarLoopResult]: At program point L504(lines 495 508) the Hoare annotation is: false [2020-11-29 22:00:08,507 INFO L270 CegarLoopResult]: At program point L504-1(lines 495 508) the Hoare annotation is: (let ((.cse9 (<= ~waterLevel~0 1)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse11 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse10 (= ~methaneLevelCritical~0 1)) (.cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse2 (= 1 ~systemActive~0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (<= ~waterLevel~0 2)) (.cse8 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse0 .cse10 .cse2 .cse5 .cse6 .cse11 .cse8) (and .cse9 .cse0 .cse2 .cse3 .cse5 .cse6 .cse11 .cse8) (and .cse0 .cse10 .cse1 .cse2 .cse4 .cse5 .cse6 .cse7 .cse8))) [2020-11-29 22:00:08,507 INFO L270 CegarLoopResult]: At program point L504-2(lines 495 508) the Hoare annotation is: false [2020-11-29 22:00:08,507 INFO L270 CegarLoopResult]: At program point L504-3(lines 495 508) the Hoare annotation is: false [2020-11-29 22:00:08,507 INFO L270 CegarLoopResult]: At program point L504-4(lines 495 508) the Hoare annotation is: false [2020-11-29 22:00:08,507 INFO L270 CegarLoopResult]: At program point L504-5(lines 495 508) the Hoare annotation is: false [2020-11-29 22:00:08,507 INFO L274 CegarLoopResult]: For program point L868(lines 868 872) no Hoare annotation was computed. [2020-11-29 22:00:08,507 INFO L274 CegarLoopResult]: For program point L868-2(lines 613 619) no Hoare annotation was computed. [2020-11-29 22:00:08,507 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 22:00:08,508 INFO L274 CegarLoopResult]: For program point L902(lines 902 906) no Hoare annotation was computed. [2020-11-29 22:00:08,508 INFO L274 CegarLoopResult]: For program point L902-1(lines 613 619) no Hoare annotation was computed. [2020-11-29 22:00:08,508 INFO L274 CegarLoopResult]: For program point L671(lines 671 688) no Hoare annotation was computed. [2020-11-29 22:00:08,508 INFO L274 CegarLoopResult]: For program point L671-1(lines 671 688) no Hoare annotation was computed. [2020-11-29 22:00:08,508 INFO L274 CegarLoopResult]: For program point L671-2(lines 671 688) no Hoare annotation was computed. [2020-11-29 22:00:08,508 INFO L274 CegarLoopResult]: For program point L969(lines 969 976) no Hoare annotation was computed. [2020-11-29 22:00:08,508 INFO L277 CegarLoopResult]: At program point L969-1(lines 969 976) the Hoare annotation is: true [2020-11-29 22:00:08,508 INFO L274 CegarLoopResult]: For program point L574(lines 574 587) no Hoare annotation was computed. [2020-11-29 22:00:08,508 INFO L270 CegarLoopResult]: At program point L574-1(lines 1 981) the Hoare annotation is: (let ((.cse19 (= ~pumpRunning~0 0))) (let ((.cse5 (<= 2 ~waterLevel~0)) (.cse1 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0)) (.cse10 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse11 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 0))) (.cse12 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse13 (<= ~waterLevel~0 2)) (.cse14 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))) (.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse9 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 1)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse20 (= ULTIMATE.start_main_~tmp~10 ~systemActive~0)) (.cse15 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 0)) (.cse4 (= ULTIMATE.start_activatePump_~tmp~6 0)) (.cse22 (= 1 ~systemActive~0)) (.cse25 (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 1)) (.cse16 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse7 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse23 (= ULTIMATE.start_processEnvironment_~tmp~5 0)) (.cse21 (<= ~waterLevel~0 1)) (.cse17 (not .cse19)) (.cse18 (= ~methaneLevelCritical~0 0)) (.cse24 (<= |ULTIMATE.start_getWaterLevel_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14) (and .cse0 .cse1 .cse15 .cse4 .cse5 .cse16 .cse6 .cse7 .cse8 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse10 .cse12 .cse11 .cse17 .cse18 .cse13 .cse14) (and .cse0 .cse1 .cse2 .cse3 .cse19 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14) (and .cse20 .cse21 .cse9 .cse2 .cse3 .cse4 .cse17 .cse22 .cse7 .cse8 .cse23) (and .cse20 .cse21 .cse15 .cse24 .cse22 .cse18 .cse25 .cse16 .cse19 .cse7 .cse8) (and (= ~waterLevel~0 1) .cse0 .cse18 .cse22 .cse19 .cse7 .cse8) (and .cse20 .cse21 .cse9 .cse2 .cse3 .cse22 .cse19 .cse7 .cse8) (and .cse20 .cse15 .cse4 .cse22 .cse25 .cse16 .cse7 .cse8 .cse23 .cse21 .cse17 .cse18 .cse24)))) [2020-11-29 22:00:08,509 INFO L274 CegarLoopResult]: For program point L574-2(lines 574 587) no Hoare annotation was computed. [2020-11-29 22:00:08,509 INFO L270 CegarLoopResult]: At program point L574-3(lines 1 981) the Hoare annotation is: false [2020-11-29 22:00:08,509 INFO L274 CegarLoopResult]: For program point L574-4(lines 574 587) no Hoare annotation was computed. [2020-11-29 22:00:08,509 INFO L270 CegarLoopResult]: At program point L574-5(lines 1 981) the Hoare annotation is: false [2020-11-29 22:00:08,509 INFO L274 CegarLoopResult]: For program point L708(lines 708 714) no Hoare annotation was computed. [2020-11-29 22:00:08,509 INFO L274 CegarLoopResult]: For program point L675(lines 675 683) no Hoare annotation was computed. [2020-11-29 22:00:08,509 INFO L274 CegarLoopResult]: For program point L708-2(lines 708 714) no Hoare annotation was computed. [2020-11-29 22:00:08,512 INFO L274 CegarLoopResult]: For program point L675-1(lines 675 683) no Hoare annotation was computed. [2020-11-29 22:00:08,512 INFO L274 CegarLoopResult]: For program point L675-2(lines 675 683) no Hoare annotation was computed. [2020-11-29 22:00:08,512 INFO L274 CegarLoopResult]: For program point L708-4(lines 708 714) no Hoare annotation was computed. [2020-11-29 22:00:08,512 INFO L274 CegarLoopResult]: For program point L708-6(lines 708 714) no Hoare annotation was computed. [2020-11-29 22:00:08,512 INFO L274 CegarLoopResult]: For program point L708-8(lines 708 714) no Hoare annotation was computed. [2020-11-29 22:00:08,512 INFO L274 CegarLoopResult]: For program point L708-10(lines 708 714) no Hoare annotation was computed. [2020-11-29 22:00:08,513 INFO L270 CegarLoopResult]: At program point L742(lines 737 745) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~10 1) (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (= ULTIMATE.start_activatePump_~tmp~6 0) (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 0) (not (= |ULTIMATE.start_isPumpRunning_#res| 0)) (<= 2 ~waterLevel~0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= |ULTIMATE.start_isMethaneAlarm_#res| 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 0)) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (not (= ~pumpRunning~0 0)) (= ~methaneLevelCritical~0 0) (<= ~waterLevel~0 2) (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))) [2020-11-29 22:00:08,514 INFO L270 CegarLoopResult]: At program point L742-1(lines 737 745) the Hoare annotation is: false [2020-11-29 22:00:08,514 INFO L270 CegarLoopResult]: At program point L742-2(lines 737 745) the Hoare annotation is: false [2020-11-29 22:00:08,514 INFO L270 CegarLoopResult]: At program point L544(lines 1 981) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-29 22:00:08,514 INFO L274 CegarLoopResult]: For program point L842(lines 842 848) no Hoare annotation was computed. [2020-11-29 22:00:08,514 INFO L270 CegarLoopResult]: At program point L842-1(lines 842 848) the Hoare annotation is: (let ((.cse12 (= ULTIMATE.start_main_~tmp~10 1)) (.cse5 (= ULTIMATE.start_activatePump_~tmp~6 0)) (.cse15 (= ~pumpRunning~0 0)) (.cse7 (= 1 ~systemActive~0)) (.cse14 (<= 2 ~waterLevel~0)) (.cse8 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse9 (= |ULTIMATE.start_valid_product_#res| 1))) (let ((.cse6 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 0))) (.cse10 (and .cse12 .cse5 (not .cse15) .cse7 .cse14 .cse8 .cse9)) (.cse4 (= ~waterLevel~0 1)) (.cse3 (= ULTIMATE.start_main_~tmp~10 ~systemActive~0)) (.cse18 (<= ~waterLevel~0 1)) (.cse19 (= ULTIMATE.start_processEnvironment_~tmp~5 0)) (.cse16 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 0)) (.cse13 (= ~methaneLevelCritical~0 0)) (.cse20 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse21 (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 1)) (.cse17 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse0 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 1)) (.cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse11 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 (or (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) .cse10) .cse11) (and .cse12 .cse7 .cse13 .cse14 .cse15 .cse8 .cse11 .cse9) (and .cse16 .cse13 (or (and .cse3 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) .cse10) .cse17 .cse11) (and .cse3 .cse0 .cse18 .cse1 .cse2 .cse5 .cse7 .cse8 .cse9 .cse19) (and .cse4 .cse12 .cse13 .cse7 .cse15 .cse8 .cse9) (and .cse3 .cse18 .cse16 .cse5 .cse7 .cse13 .cse20 .cse21 .cse17 .cse8 .cse9 .cse19) (and .cse12 .cse16 .cse13 .cse7 .cse20 .cse21 .cse17 .cse15 .cse8 .cse11 .cse9) (and .cse12 .cse0 .cse1 .cse2 .cse7 .cse15 .cse8 .cse11 .cse9)))) [2020-11-29 22:00:08,514 INFO L274 CegarLoopResult]: For program point L578(lines 578 584) no Hoare annotation was computed. [2020-11-29 22:00:08,514 INFO L274 CegarLoopResult]: For program point L578-2(lines 578 584) no Hoare annotation was computed. [2020-11-29 22:00:08,515 INFO L274 CegarLoopResult]: For program point L446(lines 446 450) no Hoare annotation was computed. [2020-11-29 22:00:08,515 INFO L274 CegarLoopResult]: For program point L578-4(lines 578 584) no Hoare annotation was computed. [2020-11-29 22:00:08,515 INFO L274 CegarLoopResult]: For program point L810(lines 810 814) no Hoare annotation was computed. [2020-11-29 22:00:08,515 INFO L274 CegarLoopResult]: For program point L810-2(lines 810 814) no Hoare annotation was computed. [2020-11-29 22:00:08,515 INFO L274 CegarLoopResult]: For program point L810-3(lines 810 814) no Hoare annotation was computed. [2020-11-29 22:00:08,515 INFO L274 CegarLoopResult]: For program point L645(lines 645 662) no Hoare annotation was computed. [2020-11-29 22:00:08,515 INFO L274 CegarLoopResult]: For program point L810-5(lines 810 814) no Hoare annotation was computed. [2020-11-29 22:00:08,516 INFO L274 CegarLoopResult]: For program point L645-1(lines 645 662) no Hoare annotation was computed. [2020-11-29 22:00:08,516 INFO L274 CegarLoopResult]: For program point L810-6(lines 810 814) no Hoare annotation was computed. [2020-11-29 22:00:08,516 INFO L274 CegarLoopResult]: For program point L645-2(lines 645 662) no Hoare annotation was computed. [2020-11-29 22:00:08,516 INFO L274 CegarLoopResult]: For program point L645-3(lines 645 662) no Hoare annotation was computed. [2020-11-29 22:00:08,517 INFO L274 CegarLoopResult]: For program point L810-8(lines 810 814) no Hoare annotation was computed. [2020-11-29 22:00:08,517 INFO L274 CegarLoopResult]: For program point L645-4(lines 645 662) no Hoare annotation was computed. [2020-11-29 22:00:08,517 INFO L274 CegarLoopResult]: For program point L645-5(lines 645 662) no Hoare annotation was computed. [2020-11-29 22:00:08,517 INFO L270 CegarLoopResult]: At program point L613(lines 612 631) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 1)) (.cse3 (= ULTIMATE.start_activatePump_~tmp~6 0)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse8 (= ULTIMATE.start_main_~tmp~10 1)) (.cse4 (= 1 ~systemActive~0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse9 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse10 (<= ~waterLevel~0 2)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse3 .cse4 .cse7 .cse5 .cse6) (and .cse8 .cse2 .cse4 .cse9 .cse5 .cse10 .cse6) (and .cse8 .cse4 .cse7 .cse9 .cse5 .cse10 .cse6))) [2020-11-29 22:00:08,517 INFO L274 CegarLoopResult]: For program point L613-1(lines 613 619) no Hoare annotation was computed. [2020-11-29 22:00:08,517 INFO L270 CegarLoopResult]: At program point L613-2(lines 612 631) the Hoare annotation is: false [2020-11-29 22:00:08,518 INFO L270 CegarLoopResult]: At program point L514(lines 509 517) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 1)) (.cse2 (= ULTIMATE.start_activatePump_~tmp~6 0)) (.cse3 (not (= ~pumpRunning~0 0))) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methaneLevelCritical~0 0) .cse5 .cse6) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2 .cse3 .cse4 .cse5 .cse6))) [2020-11-29 22:00:08,518 INFO L270 CegarLoopResult]: At program point L613-3(lines 612 631) the Hoare annotation is: false [2020-11-29 22:00:08,518 INFO L270 CegarLoopResult]: At program point L514-1(lines 509 517) the Hoare annotation is: false [2020-11-29 22:00:08,518 INFO L270 CegarLoopResult]: At program point L514-2(lines 509 517) the Hoare annotation is: false [2020-11-29 22:00:08,518 INFO L270 CegarLoopResult]: At program point L878(lines 831 879) the Hoare annotation is: false [2020-11-29 22:00:08,518 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 22:00:08,518 INFO L277 CegarLoopResult]: At program point L978(lines 959 981) the Hoare annotation is: true [2020-11-29 22:00:08,518 INFO L270 CegarLoopResult]: At program point L946(lines 942 948) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~10 1) (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-29 22:00:08,518 INFO L274 CegarLoopResult]: For program point L649(lines 649 657) no Hoare annotation was computed. [2020-11-29 22:00:08,518 INFO L274 CegarLoopResult]: For program point L649-1(lines 649 657) no Hoare annotation was computed. [2020-11-29 22:00:08,518 INFO L274 CegarLoopResult]: For program point L649-2(lines 649 657) no Hoare annotation was computed. [2020-11-29 22:00:08,519 INFO L274 CegarLoopResult]: For program point L649-3(lines 649 657) no Hoare annotation was computed. [2020-11-29 22:00:08,519 INFO L274 CegarLoopResult]: For program point L649-4(lines 649 657) no Hoare annotation was computed. [2020-11-29 22:00:08,519 INFO L274 CegarLoopResult]: For program point L649-5(lines 649 657) no Hoare annotation was computed. [2020-11-29 22:00:08,519 INFO L270 CegarLoopResult]: At program point L816(lines 801 819) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 1)) (.cse2 (= ULTIMATE.start_activatePump_~tmp~6 0)) (.cse3 (not (= ~pumpRunning~0 0))) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methaneLevelCritical~0 0) .cse5 .cse6) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2 .cse3 .cse4 .cse5 .cse6))) [2020-11-29 22:00:08,519 INFO L270 CegarLoopResult]: At program point L816-1(lines 801 819) the Hoare annotation is: false [2020-11-29 22:00:08,519 INFO L270 CegarLoopResult]: At program point L816-2(lines 801 819) the Hoare annotation is: false [2020-11-29 22:00:08,519 INFO L270 CegarLoopResult]: At program point L552(lines 547 555) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-29 22:00:08,519 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 22:00:08,519 INFO L270 CegarLoopResult]: At program point L620(lines 620 626) the Hoare annotation is: (let ((.cse20 (= ~pumpRunning~0 0))) (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 ~systemActive~0)) (.cse8 (= ULTIMATE.start_processEnvironment_~tmp~5 0)) (.cse4 (not .cse20)) (.cse11 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse3 (= ULTIMATE.start_activatePump_~tmp~6 0)) (.cse19 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse12 (<= 2 ~waterLevel~0)) (.cse13 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0)) (.cse14 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse15 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 0))) (.cse16 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse17 (<= ~waterLevel~0 2)) (.cse18 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse1 (<= ~waterLevel~0 1)) (.cse10 (= ULTIMATE.start_main_~tmp~10 1)) (.cse9 (= ~methaneLevelCritical~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse3 .cse4 .cse5 .cse9 .cse6 .cse7 .cse8) (and .cse10 .cse11 .cse3 .cse12 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse13 .cse6 .cse7 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse14 .cse15 .cse4 .cse16 .cse9 .cse17 .cse18) (and .cse10 .cse11 .cse19 .cse2 .cse20 .cse13 .cse6 .cse7 .cse14 .cse16 .cse15 .cse17 .cse18) (and .cse10 .cse11 .cse3 .cse19 .cse2 .cse12 .cse13 .cse6 .cse7 .cse14 .cse15 .cse16 .cse17 .cse18) (and .cse1 .cse10 .cse2 .cse5 .cse20 .cse6 .cse7) (and .cse1 .cse10 .cse9 .cse5 .cse20 .cse6 .cse7)))) [2020-11-29 22:00:08,519 INFO L270 CegarLoopResult]: At program point L620-1(lines 620 626) the Hoare annotation is: false [2020-11-29 22:00:08,519 INFO L270 CegarLoopResult]: At program point L620-2(lines 620 626) the Hoare annotation is: false [2020-11-29 22:00:08,520 INFO L274 CegarLoopResult]: For program point L422(lines 422 426) no Hoare annotation was computed. [2020-11-29 22:00:08,520 INFO L274 CegarLoopResult]: For program point L422-3(lines 422 426) no Hoare annotation was computed. [2020-11-29 22:00:08,520 INFO L274 CegarLoopResult]: For program point L422-6(lines 422 426) no Hoare annotation was computed. [2020-11-29 22:00:08,520 INFO L274 CegarLoopResult]: For program point L852(lines 852 858) no Hoare annotation was computed. [2020-11-29 22:00:08,520 INFO L270 CegarLoopResult]: At program point L852-1(lines 852 858) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 1)) (.cse3 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 0))) (.cse9 (<= 2 ~waterLevel~0)) (.cse11 (= ~methaneLevelCritical~0 1)) (.cse0 (= ULTIMATE.start_main_~tmp~10 ~systemActive~0)) (.cse2 (= ULTIMATE.start_activatePump_~tmp~6 0)) (.cse13 (= ULTIMATE.start_processEnvironment_~tmp~5 0)) (.cse8 (= ULTIMATE.start_main_~tmp~10 1)) (.cse5 (= 1 ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse12 (= ~pumpRunning~0 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse10 (<= ~waterLevel~0 2)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse2 .cse5 .cse4 .cse9 .cse6 .cse7)) .cse10) (and .cse8 .cse11 .cse5 .cse12 .cse6 .cse10 .cse7) (and .cse11 (or (and .cse0 .cse1 .cse2 .cse3 .cse5 .cse6 .cse7) (and .cse8 .cse2 .cse5 .cse9 .cse6 .cse7)) .cse10) (and .cse0 .cse11 .cse2 .cse5 .cse6 .cse10 .cse7 .cse13) (and .cse0 .cse2 .cse5 .cse4 .cse6 .cse10 .cse7 .cse13) (and .cse8 .cse5 .cse4 .cse12 .cse6 .cse10 .cse7))) [2020-11-29 22:00:08,521 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 22:00:08,521 INFO L270 CegarLoopResult]: At program point L491(lines 486 494) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 1)) (.cse3 (= 1 ~systemActive~0)) (.cse5 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse1 (= ULTIMATE.start_main_~tmp~10 1)) (.cse2 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 0)) (.cse10 (= ULTIMATE.start_activatePump_~tmp~6 0)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse8 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse9 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (= ~pumpRunning~0 0)) (.cse4 (= ~methaneLevelCritical~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse10 .cse4 .cse3 .cse5 .cse6 .cse8 .cse9 (= ULTIMATE.start_processEnvironment_~tmp~5 0)) (and .cse1 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) .cse2 .cse10 (<= 2 ~waterLevel~0) .cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) .cse8 .cse9 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 0)) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (not .cse7) .cse4 (<= ~waterLevel~0 2) (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))))) [2020-11-29 22:00:08,521 INFO L270 CegarLoopResult]: At program point L491-1(lines 486 494) the Hoare annotation is: false [2020-11-29 22:00:08,521 INFO L270 CegarLoopResult]: At program point L491-2(lines 486 494) the Hoare annotation is: false [2020-11-29 22:00:08,521 INFO L270 CegarLoopResult]: At program point L459(lines 454 462) the Hoare annotation is: false [2020-11-29 22:00:08,521 INFO L270 CegarLoopResult]: At program point L459-1(lines 454 462) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse1 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse8 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse9 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 0))) (.cse10 (<= ~waterLevel~0 2)) (.cse11 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (= ~methaneLevelCritical~0 0) .cse10 .cse11))) [2020-11-29 22:00:08,521 INFO L270 CegarLoopResult]: At program point L459-2(lines 454 462) the Hoare annotation is: (let ((.cse19 (= ULTIMATE.start_processEnvironment_~tmp~5 0)) (.cse2 (= ULTIMATE.start_activatePump_~tmp~6 0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse18 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse17 (= ~methaneLevelCritical~0 0)) (.cse14 (= ULTIMATE.start_main_~tmp~10 ~systemActive~0)) (.cse15 (<= ~waterLevel~0 1)) (.cse16 (= 1 ~systemActive~0)) (.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse1 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse20 (= ~pumpRunning~0 0)) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0)) (.cse7 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse9 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse10 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 0))) (.cse11 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse12 (<= ~waterLevel~0 2)) (.cse13 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse14 .cse15 .cse2 .cse16 .cse17 .cse18 .cse7 .cse8 .cse19) (and .cse14 .cse15 .cse3 .cse4 .cse2 .cse16 .cse7 .cse8 .cse19) (and .cse14 .cse15 .cse16 .cse17 .cse18 .cse20 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse5 .cse18 .cse6 .cse7 .cse8 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse9 .cse11 .cse10 (not .cse20) .cse17 .cse12 .cse13) (and .cse14 .cse15 .cse3 .cse4 .cse16 .cse20 .cse7 .cse8) (and .cse0 .cse1 .cse3 .cse4 .cse20 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13))) [2020-11-29 22:00:08,521 INFO L270 CegarLoopResult]: At program point L459-3(lines 454 462) the Hoare annotation is: false [2020-11-29 22:00:08,522 INFO L270 CegarLoopResult]: At program point L459-4(lines 454 462) the Hoare annotation is: false [2020-11-29 22:00:08,522 INFO L270 CegarLoopResult]: At program point L459-5(lines 454 462) the Hoare annotation is: false [2020-11-29 22:00:08,522 INFO L270 CegarLoopResult]: At program point L459-6(lines 454 462) the Hoare annotation is: false [2020-11-29 22:00:08,522 INFO L270 CegarLoopResult]: At program point L459-7(lines 454 462) the Hoare annotation is: false [2020-11-29 22:00:08,522 INFO L270 CegarLoopResult]: At program point L459-8(lines 454 462) the Hoare annotation is: false [2020-11-29 22:00:08,522 INFO L274 CegarLoopResult]: For program point L791(lines 791 795) no Hoare annotation was computed. [2020-11-29 22:00:08,522 INFO L274 CegarLoopResult]: For program point L791-2(lines 791 795) no Hoare annotation was computed. [2020-11-29 22:00:08,522 INFO L274 CegarLoopResult]: For program point L791-3(lines 791 795) no Hoare annotation was computed. [2020-11-29 22:00:08,522 INFO L274 CegarLoopResult]: For program point L791-5(lines 791 795) no Hoare annotation was computed. [2020-11-29 22:00:08,522 INFO L274 CegarLoopResult]: For program point L791-6(lines 791 795) no Hoare annotation was computed. [2020-11-29 22:00:08,523 INFO L274 CegarLoopResult]: For program point L791-8(lines 791 795) no Hoare annotation was computed. [2020-11-29 22:00:08,523 INFO L274 CegarLoopResult]: For program point L791-9(lines 791 795) no Hoare annotation was computed. [2020-11-29 22:00:08,523 INFO L274 CegarLoopResult]: For program point L791-11(lines 791 795) no Hoare annotation was computed. [2020-11-29 22:00:08,523 INFO L274 CegarLoopResult]: For program point L791-12(lines 791 795) no Hoare annotation was computed. [2020-11-29 22:00:08,523 INFO L274 CegarLoopResult]: For program point L791-14(lines 791 795) no Hoare annotation was computed. [2020-11-29 22:00:08,523 INFO L274 CegarLoopResult]: For program point L791-15(lines 791 795) no Hoare annotation was computed. [2020-11-29 22:00:08,523 INFO L274 CegarLoopResult]: For program point L791-17(lines 791 795) no Hoare annotation was computed. [2020-11-29 22:00:08,524 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 22:00:08,524 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 22:00:08,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 10:00:08 BoogieIcfgContainer [2020-11-29 22:00:08,590 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 22:00:08,591 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 22:00:08,591 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 22:00:08,591 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 22:00:08,592 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:59:47" (3/4) ... [2020-11-29 22:00:08,596 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 22:00:08,627 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-29 22:00:08,629 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-29 22:00:08,631 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-29 22:00:08,633 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-29 22:00:08,634 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 22:00:08,636 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 22:00:08,638 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 22:00:08,670 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1 [2020-11-29 22:00:08,671 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && waterLevel == 1) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1 [2020-11-29 22:00:08,671 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((tmp == 1 && !(\result == 0)) && \result == 1) && methaneLevelCritical == 1) && tmp == 0) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) && \result == 0) && !(tmp == 0)) && \result == systemActive) && waterLevel <= 2) && !(tmp___0 == 0)) || ((((((((((((((((tmp == 1 && !(\result == 0)) && tmp == 0) && tmp == 0) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == 0) && \result == systemActive) && !(tmp == 0)) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0))) || (((((((((((((tmp == 1 && !(\result == 0)) && \result == 1) && methaneLevelCritical == 1) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) && \result == 0) && !(tmp == 0)) && \result == systemActive) && waterLevel <= 2) && !(tmp___0 == 0))) || ((((((((((tmp == systemActive && waterLevel <= 1) && tmp == 1) && \result == 1) && methaneLevelCritical == 1) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && tmp == 0)) || ((((((((((tmp == systemActive && waterLevel <= 1) && tmp == 0) && \result <= 1) && 1 == systemActive) && methaneLevelCritical == 0) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((((tmp == systemActive && waterLevel <= 1) && tmp == 1) && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((((((((tmp == systemActive && tmp == 0) && tmp == 0) && 1 == systemActive) && tmp___0 <= 1) && \result == 0) && splverifierCounter == 0) && \result == 1) && tmp == 0) && waterLevel <= 1) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && \result <= 1) [2020-11-29 22:00:08,672 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && (((((((tmp == systemActive && waterLevel == 1) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1))) && waterLevel <= 2) || (((((((tmp == 1 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((tmp == 0 && methaneLevelCritical == 0) && ((((((((tmp == systemActive && \result == 0) && waterLevel == 1) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1))) && \result == 0) && waterLevel <= 2)) || (((((((((tmp == systemActive && tmp == 1) && waterLevel <= 1) && \result == 1) && methaneLevelCritical == 1) && tmp == 0) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && tmp == 0)) || ((((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((((((((tmp == systemActive && waterLevel <= 1) && tmp == 0) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 <= 1) && \result == 0) && splverifierCounter == 0) && \result == 1) && tmp == 0)) || ((((((((((tmp == 1 && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result <= 1) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((((tmp == 1 && tmp == 1) && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-11-29 22:00:08,673 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((tmp == systemActive && waterLevel == 1) && tmp == 0) && !(tmp == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) && waterLevel <= 2) || ((((((tmp == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((methaneLevelCritical == 1 && (((((((tmp == systemActive && waterLevel == 1) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && tmp == 0) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1))) && waterLevel <= 2)) || (((((((tmp == systemActive && methaneLevelCritical == 1) && tmp == 0) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) && tmp == 0)) || (((((((tmp == systemActive && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) && tmp == 0)) || ((((((tmp == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-11-29 22:00:08,673 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == systemActive && waterLevel <= 1) && methaneLevelCritical == 1) && tmp == 0) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) || ((((((tmp == systemActive && waterLevel <= 1) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) && \result == 1)) || ((((((tmp == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((tmp == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-11-29 22:00:08,674 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((tmp == systemActive && waterLevel <= 1) && methaneLevelCritical == 1) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && tmp == 0) || ((((((((tmp == systemActive && waterLevel <= 1) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) && \result == 1) && tmp == 0)) || (((((((((((((((tmp == 1 && !(\result == 0)) && tmp == 0) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == 0) && !(tmp == 0)) && !(pumpRunning == 0)) && \result == systemActive) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0))) || ((((((((((((tmp == 1 && !(\result == 0)) && \result == 1) && methaneLevelCritical == 1) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == systemActive) && !(tmp == 0)) && waterLevel <= 2) && !(tmp___0 == 0))) || (((((((((((((tmp == 1 && !(\result == 0)) && tmp == 0) && \result == 1) && methaneLevelCritical == 1) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && !(tmp == 0)) && \result == systemActive) && waterLevel <= 2) && !(tmp___0 == 0))) || ((((((waterLevel <= 1 && tmp == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((waterLevel <= 1 && tmp == 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-11-29 22:00:08,676 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((tmp == 1 && !(\result == 0)) && tmp == 0) && \result == 1) && methaneLevelCritical == 1) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && !(tmp == 0)) && \result == systemActive) && waterLevel <= 2) && !(tmp___0 == 0)) || ((((((((tmp == systemActive && waterLevel <= 1) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && \result == 1) && tmp == 0)) || ((((((((tmp == systemActive && waterLevel <= 1) && \result == 1) && methaneLevelCritical == 1) && tmp == 0) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && tmp == 0)) || (((((((tmp == systemActive && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((((((((((((tmp == 1 && !(\result == 0)) && tmp == 0) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == 0) && \result == systemActive) && !(tmp == 0)) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0))) || (((((((tmp == systemActive && waterLevel <= 1) && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((((((((tmp == 1 && !(\result == 0)) && \result == 1) && methaneLevelCritical == 1) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && !(tmp == 0)) && \result == systemActive) && waterLevel <= 2) && !(tmp___0 == 0)) [2020-11-29 22:00:08,677 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == systemActive && waterLevel <= 1) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == systemActive && waterLevel <= 1) && methaneLevelCritical == 1) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) [2020-11-29 22:00:08,677 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((tmp == 1 && \result == 0) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((waterLevel <= 1 && tmp == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && \result == 1)) || (((((((waterLevel <= 1 && tmp == 1) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && \result == 1)) || ((((((((tmp == 1 && methaneLevelCritical == 1) && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-11-29 22:00:08,678 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((waterLevel <= 1 && tmp == 1) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((((((waterLevel <= 1 && tmp == 1) && tmp == 0) && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result <= 1) && \result == 0) && splverifierCounter == 0) && \result == 1) && tmp == 0)) || ((((((((((((((((tmp == 1 && !(\result == 0)) && tmp == 0) && tmp == 0) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == 0) && !(tmp == 0)) && \result == systemActive) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0)) [2020-11-29 22:00:08,679 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == systemActive && waterLevel <= 1) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == systemActive && waterLevel <= 1) && methaneLevelCritical == 1) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) [2020-11-29 22:00:08,680 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((tmp == 1 && !(\result == 0)) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2) && !(tmp___0 == 0)) && \result == 1) || ((((((((((waterLevel <= 1 && tmp == 1) && tmp___0 == 0) && 1 == systemActive) && methaneLevelCritical == 0) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && \result == 1)) || ((((((((((waterLevel <= 1 && tmp == 1) && methaneLevelCritical == 1) && tmp___0 == 0) && 1 == systemActive) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && \result == 1)) || (((((((((((tmp == 1 && !(\result == 0)) && methaneLevelCritical == 1) && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) && !(tmp___0 == 0)) [2020-11-29 22:00:08,681 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((tmp == 1 && !(\result == 0)) && tmp == 0) && tmp == 0) && !(\result == 0)) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == 0) && !(tmp == 0)) && \result == systemActive) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0) [2020-11-29 22:00:08,682 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((tmp == 1 && !(\result == 0)) && \result == 1) && methaneLevelCritical == 1) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == systemActive) && !(tmp == 0)) && waterLevel <= 2) && !(tmp___0 == 0)) || (((((((((((((tmp == 1 && !(\result == 0)) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == systemActive) && !(tmp == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0)) [2020-11-29 22:00:08,683 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((tmp == 1 && !(\result == 0)) && \result == 1) && methaneLevelCritical == 1) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == systemActive) && !(tmp == 0)) && waterLevel <= 2) && !(tmp___0 == 0)) || ((((((((((((((tmp == 1 && !(\result == 0)) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == 0) && \result == systemActive) && !(tmp == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0)) [2020-11-29 22:00:08,772 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2b90a2b3-574c-4674-9bd8-39a31edf9e80/bin/uautomizer/witness.graphml [2020-11-29 22:00:08,773 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 22:00:08,774 INFO L168 Benchmark]: Toolchain (without parser) took 23114.49 ms. Allocated memory was 75.5 MB in the beginning and 302.0 MB in the end (delta: 226.5 MB). Free memory was 41.4 MB in the beginning and 130.2 MB in the end (delta: -88.8 MB). Peak memory consumption was 138.0 MB. Max. memory is 16.1 GB. [2020-11-29 22:00:08,774 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 75.5 MB. Free memory was 54.8 MB in the beginning and 54.8 MB in the end (delta: 28.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:00:08,775 INFO L168 Benchmark]: CACSL2BoogieTranslator took 692.30 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 41.1 MB in the beginning and 58.1 MB in the end (delta: -17.0 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. [2020-11-29 22:00:08,775 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.80 ms. Allocated memory is still 92.3 MB. Free memory was 58.1 MB in the beginning and 53.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 22:00:08,776 INFO L168 Benchmark]: Boogie Preprocessor took 52.54 ms. Allocated memory is still 92.3 MB. Free memory was 53.9 MB in the beginning and 51.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 22:00:08,776 INFO L168 Benchmark]: RCFGBuilder took 1350.55 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 50.8 MB in the beginning and 84.5 MB in the end (delta: -33.8 MB). Peak memory consumption was 21.3 MB. Max. memory is 16.1 GB. [2020-11-29 22:00:08,777 INFO L168 Benchmark]: TraceAbstraction took 20715.77 ms. Allocated memory was 111.1 MB in the beginning and 302.0 MB in the end (delta: 190.8 MB). Free memory was 84.5 MB in the beginning and 142.8 MB in the end (delta: -58.2 MB). Peak memory consumption was 188.1 MB. Max. memory is 16.1 GB. [2020-11-29 22:00:08,777 INFO L168 Benchmark]: Witness Printer took 182.11 ms. Allocated memory is still 302.0 MB. Free memory was 142.8 MB in the beginning and 130.2 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-29 22:00:08,780 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 75.5 MB. Free memory was 54.8 MB in the beginning and 54.8 MB in the end (delta: 28.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 692.30 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 41.1 MB in the beginning and 58.1 MB in the end (delta: -17.0 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 109.80 ms. Allocated memory is still 92.3 MB. Free memory was 58.1 MB in the beginning and 53.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 52.54 ms. Allocated memory is still 92.3 MB. Free memory was 53.9 MB in the beginning and 51.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1350.55 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 50.8 MB in the beginning and 84.5 MB in the end (delta: -33.8 MB). Peak memory consumption was 21.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 20715.77 ms. Allocated memory was 111.1 MB in the beginning and 302.0 MB in the end (delta: 190.8 MB). Free memory was 84.5 MB in the beginning and 142.8 MB in the end (delta: -58.2 MB). Peak memory consumption was 188.1 MB. Max. memory is 16.1 GB. * Witness Printer took 182.11 ms. Allocated memory is still 302.0 MB. Free memory was 142.8 MB in the beginning and 130.2 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: ((((((((((tmp == 1 && \result == 0) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((waterLevel <= 1 && tmp == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && \result == 1)) || (((((((waterLevel <= 1 && tmp == 1) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && \result == 1)) || ((((((((tmp == 1 && methaneLevelCritical == 1) && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: (((((((((((((tmp == systemActive && waterLevel == 1) && tmp == 0) && !(tmp == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) && waterLevel <= 2) || ((((((tmp == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((methaneLevelCritical == 1 && (((((((tmp == systemActive && waterLevel == 1) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && tmp == 0) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1))) && waterLevel <= 2)) || (((((((tmp == systemActive && methaneLevelCritical == 1) && tmp == 0) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) && tmp == 0)) || (((((((tmp == systemActive && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) && tmp == 0)) || ((((((tmp == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 547]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((((((((((((tmp == 1 && !(\result == 0)) && \result == 1) && methaneLevelCritical == 1) && tmp == 0) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) && \result == 0) && !(tmp == 0)) && \result == systemActive) && waterLevel <= 2) && !(tmp___0 == 0)) || ((((((((((((((((tmp == 1 && !(\result == 0)) && tmp == 0) && tmp == 0) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == 0) && \result == systemActive) && !(tmp == 0)) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0))) || (((((((((((((tmp == 1 && !(\result == 0)) && \result == 1) && methaneLevelCritical == 1) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) && \result == 0) && !(tmp == 0)) && \result == systemActive) && waterLevel <= 2) && !(tmp___0 == 0))) || ((((((((((tmp == systemActive && waterLevel <= 1) && tmp == 1) && \result == 1) && methaneLevelCritical == 1) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && tmp == 0)) || ((((((((((tmp == systemActive && waterLevel <= 1) && tmp == 0) && \result <= 1) && 1 == systemActive) && methaneLevelCritical == 0) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((((tmp == systemActive && waterLevel <= 1) && tmp == 1) && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((((((((tmp == systemActive && tmp == 0) && tmp == 0) && 1 == systemActive) && tmp___0 <= 1) && \result == 0) && splverifierCounter == 0) && \result == 1) && tmp == 0) && waterLevel <= 1) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && \result <= 1) - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: (((((((((((((tmp == 1 && !(\result == 0)) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2) && !(tmp___0 == 0)) && \result == 1) || ((((((((((waterLevel <= 1 && tmp == 1) && tmp___0 == 0) && 1 == systemActive) && methaneLevelCritical == 0) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && \result == 1)) || ((((((((((waterLevel <= 1 && tmp == 1) && methaneLevelCritical == 1) && tmp___0 == 0) && 1 == systemActive) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && \result == 1)) || (((((((((((tmp == 1 && !(\result == 0)) && methaneLevelCritical == 1) && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) && !(tmp___0 == 0)) - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: ((((((((((((((((tmp == 1 && !(\result == 0)) && tmp == 0) && tmp == 0) && !(\result == 0)) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == 0) && !(tmp == 0)) && \result == systemActive) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 842]: Loop Invariant Derived loop invariant: ((((((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && (((((((tmp == systemActive && waterLevel == 1) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1))) && waterLevel <= 2) || (((((((tmp == 1 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((tmp == 0 && methaneLevelCritical == 0) && ((((((((tmp == systemActive && \result == 0) && waterLevel == 1) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1))) && \result == 0) && waterLevel <= 2)) || (((((((((tmp == systemActive && tmp == 1) && waterLevel <= 1) && \result == 1) && methaneLevelCritical == 1) && tmp == 0) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && tmp == 0)) || ((((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((((((((tmp == systemActive && waterLevel <= 1) && tmp == 0) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 <= 1) && \result == 0) && splverifierCounter == 0) && \result == 1) && tmp == 0)) || ((((((((((tmp == 1 && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result <= 1) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((((tmp == 1 && tmp == 1) && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: (((((((tmp == systemActive && waterLevel <= 1) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == systemActive && waterLevel <= 1) && methaneLevelCritical == 1) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: ((((((((((waterLevel <= 1 && tmp == 1) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((((((waterLevel <= 1 && tmp == 1) && tmp == 0) && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result <= 1) && \result == 0) && splverifierCounter == 0) && \result == 1) && tmp == 0)) || ((((((((((((((((tmp == 1 && !(\result == 0)) && tmp == 0) && tmp == 0) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == 0) && !(tmp == 0)) && \result == systemActive) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0)) - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: ((((((((((((((((((tmp == 1 && !(\result == 0)) && tmp == 0) && \result == 1) && methaneLevelCritical == 1) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && !(tmp == 0)) && \result == systemActive) && waterLevel <= 2) && !(tmp___0 == 0)) || ((((((((tmp == systemActive && waterLevel <= 1) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && \result == 1) && tmp == 0)) || ((((((((tmp == systemActive && waterLevel <= 1) && \result == 1) && methaneLevelCritical == 1) && tmp == 0) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && tmp == 0)) || (((((((tmp == systemActive && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((((((((((((tmp == 1 && !(\result == 0)) && tmp == 0) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == 0) && \result == systemActive) && !(tmp == 0)) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0))) || (((((((tmp == systemActive && waterLevel <= 1) && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((((((((tmp == 1 && !(\result == 0)) && \result == 1) && methaneLevelCritical == 1) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && !(tmp == 0)) && \result == systemActive) && waterLevel <= 2) && !(tmp___0 == 0)) - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 959]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: (((((((((((((tmp == 1 && !(\result == 0)) && \result == 1) && methaneLevelCritical == 1) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == systemActive) && !(tmp == 0)) && waterLevel <= 2) && !(tmp___0 == 0)) || ((((((((((((((tmp == 1 && !(\result == 0)) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == 0) && \result == systemActive) && !(tmp == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0)) - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 612]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: (((((((tmp == systemActive && waterLevel <= 1) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == systemActive && waterLevel <= 1) && methaneLevelCritical == 1) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 612]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: (((((((((((((tmp == systemActive && waterLevel <= 1) && methaneLevelCritical == 1) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && tmp == 0) || ((((((((tmp == systemActive && waterLevel <= 1) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) && \result == 1) && tmp == 0)) || (((((((((((((((tmp == 1 && !(\result == 0)) && tmp == 0) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == 0) && !(tmp == 0)) && !(pumpRunning == 0)) && \result == systemActive) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0))) || ((((((((((((tmp == 1 && !(\result == 0)) && \result == 1) && methaneLevelCritical == 1) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == systemActive) && !(tmp == 0)) && waterLevel <= 2) && !(tmp___0 == 0))) || (((((((((((((tmp == 1 && !(\result == 0)) && tmp == 0) && \result == 1) && methaneLevelCritical == 1) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && !(tmp == 0)) && \result == systemActive) && waterLevel <= 2) && !(tmp___0 == 0))) || ((((((waterLevel <= 1 && tmp == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((waterLevel <= 1 && tmp == 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: (((((((((((((tmp == 1 && !(\result == 0)) && \result == 1) && methaneLevelCritical == 1) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == systemActive) && !(tmp == 0)) && waterLevel <= 2) && !(tmp___0 == 0)) || (((((((((((((tmp == 1 && !(\result == 0)) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == systemActive) && !(tmp == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0)) - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: ((((tmp == 1 && waterLevel == 1) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 612]: Loop Invariant Derived loop invariant: ((((((((tmp == systemActive && waterLevel <= 1) && methaneLevelCritical == 1) && tmp == 0) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) || ((((((tmp == systemActive && waterLevel <= 1) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) && \result == 1)) || ((((((tmp == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((tmp == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 144 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.9s, OverallIterations: 16, TraceHistogramMax: 2, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 14.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1854 SDtfs, 3165 SDslu, 3387 SDs, 0 SdLazy, 481 SolverSat, 79 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 192 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=360occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 16 MinimizatonAttempts, 2448 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 57 PreInvPairs, 283 NumberOfFragments, 2213 HoareAnnotationTreeSize, 57 FomulaSimplifications, 14612897 FormulaSimplificationTreeSizeReduction, 3.3s HoareSimplificationTime, 57 FomulaSimplificationsInter, 1086149 FormulaSimplificationTreeSizeReductionInter, 11.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 667 NumberOfCodeBlocks, 667 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 650 ConstructedInterpolants, 0 QuantifiedInterpolants, 54066 SizeOfPredicates, 4 NumberOfNonLiveVariables, 459 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 17 InterpolantComputations, 15 PerfectInterpolantSequences, 78/90 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...